Скачать или смотреть Not Found Error when uploading photo to website and submitting on flask python

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Certainly! Here's a tutorial explaining the "Not Found" error when uploading a photo to a website and submitting it on a Flask web application. We'll cover the necessary steps and provide code examples to demonstrate the process.
The "Not Found" error typically occurs when a server is unable to locate a requested resource or URL. When dealing with file uploads in Flask, this error might occur due to issues in handling the form submission or incorrect route definition.
Create a new Python file, e.g., app.py, to define your Flask application.
Create an HTML file index.html to handle file uploads.
Save both app.py and index.html in the same directory. Open a terminal or command prompt, navigate to the directory, and run the Flask app:
If you encounter a "Not Found" error while uploading a file, ensure the following:
Following these steps and maintaining consistency between routes in your Flask app and the HTML form action should help resolve the "Not Found" error while uploading photos in your Flask application.
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Certainly! When working with Flask, a popular web framework in Python, you might encounter a "Not Found" error when attempting to upload photos to a website. This error is often due to misconfigurations or issues with your Flask application's routes or file-handling mechanisms. In this tutorial, we will cover how to handle photo uploads in a Flask web application, and how to troubleshoot and fix the "Not Found" error if it occurs. We will walk through the process step by step, including setting up a basic Flask application, creating a form for uploading photos, and handling the photo upload in the backend.
First, make sure you have Flask installed. If not, you can install it using pip:
Create a new Python file named app.py and add the following code:
Create a new folder named templates in the same directory as app.py. Inside the templates folder, create a new HTML file named index.html and add the following code:
Update the app.py file to handle the photo upload. Add the following code:
Make sure to import the required modules at the beginning of the app.py file:
If you encounter a "Not Found" error when uploading a photo, check the following:
By following this tutorial and troubleshooting guide, you should be able to handle photo uploads in your Flask application and avoid the "Not Found" error.
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